tag:blogger.com,1999:blog-14775031.post6555467340701833072..comments2008-08-15T20:42:52.212-07:00Comments on Warren on Book Marketing, Social Media, Twitter and More: Understanding YouTube and Participatory MediaWarren Whitlockhttp://www.blogger.com/profile/03597130158516293939noreply@blogger.comBlogger0125